@book{Hamdi19967135,
  title     = {At-Taamul fii Aswaq Al-Umulat Ad-Dauliyah Jilid 21},
  author    = {Hamdi Abd Al-Azhim},
  publisher = {Al-Mahad Al-Ilmi lil-Fikri Al-Islami},
  year      = {1996},
  isbn      = {977-5224-25-X},
}